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经营范围
发明名称
New electric blasting caps and initiators therefor
摘要
申请公布号
GB891972(A)
申请公布日期
1962.03.21
申请号
GB19600007414
申请日期
1960.03.02
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
F42B3/12
主分类号
F42B3/12
代理机构
代理人
主权项
地址
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